A star

noun Astronomy.
a blue to white star, as Altair, Sirius, or Vega, having a surface temperature between 7500 and 10,000 K and an absorption spectrum dominated by Balmer-series lines of hydrogen.
Compare spectral type.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To a-star
Explore Dictionary.com
Previous Definition: a-side
Next Definition: a-strabismus
Words Near: a-star
More from Thesaurus.com
Synonyms and Antonyms for a-star
More from Reference.com
Search for articles containing a-star
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature